32 citations · 108 across the 42 of their papers we have counts for
43 papers
Frequency range non-Lipschitz parametric optimization of a noise absorption
Frederic Magoules, Mathieu Menoux, Anna Rozanova-Pierrat
In the framework of the optimal wave energy absorption, we solve theoretically and numerically a parametric shape optimization problem to find the optimal distribution of absorbing…
Distributed convergence detection based on global residual error under asynchronous iterations
Frédéric Magoulès, Guillaume Gbikpi-Benissan
Convergence of classical parallel iterations is detected by performing a reduction operation at each iteration in order to compute a residual error relative to a potential solution…
Asynchronous iterations of HSS method for non-Hermitian linear systems
Guillaume Gbikpi-Benissan, Qinmeng Zou, Frédéric Magoulès
A general asynchronous alternating iterative model is designed, for which convergence is theoretically ensured both under classical spectral radius bound and, then, for a classical…
Resilient asynchronous primal Schur method
Guillaume Gbikpi-Benissan, Frédéric Magoulès
This paper introduces the application of the asynchronous iterations theory within the framework of the primal Schur domain decomposition method. A suitable relaxation scheme is de…
Asynchronous multiplicative coarse-space correction
Guillaume Gbikpi-Benissan, Frédéric Magoulès
This paper introduces the multiplicative variant of the recently proposed asynchronous additive coarse-space correction method. Definition of an asynchronous extension of multiplic…
A Hybrid GNN approach for predicting node data for 3D meshes
Shwetha Salimath, Francesca Bugiotti, Frederic Magoules
Metal forging is used to manufacture dies. We require the best set of input parameters for the process to be efficient. Currently, we predict the best parameters using the finite e…
Asynchronous global-local non-invasive coupling for linear elliptic problems
Ahmed El Kerim, Pierre Gosselet, Frédéric Magoulès
This paper presents the first asynchronous version of the Global/Local non-invasive coupling, capable of dealing efficiently with multiple, possibly adjacent, patches. We give a ne…
Point-Cloud-based Deep Learning Models for Finite Element Analysis
Meduri Venkata Shivaditya, Francesca Bugiotti, Frederic Magoules
In this paper, we explore point-cloud based deep learning models to analyze numerical simulations arising from finite element analysis. The objective is to classify automatically t…
Multilayer Perceptron-based Surrogate Models for Finite Element Analysis
Lawson Oliveira Lima, Julien Rosenberger, Esteban Antier +1
Many Partial Differential Equations (PDEs) do not have analytical solution, and can only be solved by numerical methods. In this context, Physics-Informed Neural Networks (PINN) ha…
Graph Neural Network-based Surrogate Models for Finite Element Analysis
Meduri Venkata Shivaditya, José Alves, Francesca Bugiotti +1
Current simulation of metal forging processes use advanced finite element methods. Such methods consist of solving mathematical equations, which takes a significant amount of time…
Asynchronous scalable version of the Global-Local non-invasive coupling
Ahmed El Kerim, Pierre Gosselet, Frederic Magoules
The Global-Local non-invasive coupling is an improvement of the submodeling technique, which permits to locally enhance structure computations by introducing patches with refined m…
JACK2: a new high-level communication library for parallel iterative methods
Guillaume Gbikpi-Benissan, Frederic Magoules
In this paper, we address the problem of designing a distributed application meant to run both classical and asynchronous iterations. MPI libraries are very popular and widely used…
Distributed asynchronous convergence detection without detection protocol
Guillaume Gbikpi-Benissan, Frederic Magoules
In this paper, we address the problem of detecting the moment when an ongoing asynchronous parallel iterative process can be terminated to provide a sufficiently precise solution t…
Iterative Krylov Methods for Acoustic Problems on Graphics Processing Unit
Abal-Kassim Cheik Ahamed, Frederic Magoules
This paper deals with linear algebra operations on Graphics Processing Unit (GPU) with complex number arithmetic using double precision. An analysis of their uses within iterative…
Fast and Green Computing with Graphics Processing Units for solving Sparse Linear Systems
Abal-Kassim Cheik Ahamed, Alban Desmaison, Frederic Magoules
In this paper, we aim to introduce a new perspective when comparing highly parallelized algorithms on GPU: the energy consumption of the GPU. We give an analysis of the performance…
Accelerated solution of Helmholtz equation with Iterative Krylov Methods on GPU
Abal-Kassim Cheik Ahamed, Frederic Magoules
This paper gives an analysis and an evaluation of linear algebra operations on Graphics Processing Unit (GPU) with complex number arithmetics with double precision. Knowing the per…
Stochastic Optimized Schwarz Methods for the Gravity Equations on Graphics Processing Unit
Abal-Kassim Cheik Ahamed, Frederic Magoules
Low order, sequential or non-massively parallel finite elements are generaly used for three-dimensional gravity modelling. In this paper, in order to obtain better gravity anomaly…
On the stability and performance of the solution of sparse linear systems by partitioned procedures
Abal-Kassim Cheik Ahamed, Frederic Magoules
In this paper, we present, evaluate and analyse the performance of parallel synchronous Jacobi algorithms by different partitioned procedures including band-row splitting, band-row…
Coupling and Simulation of Fluid-Structure Interaction Problems for Automotive Sun-roof on Graphics Processing Unit
Liang S. Lai, Choi-Hong Lai, Abal-Kassim Cheik Ahamed +1
In this paper, the authors propose an analysis of the frequency response function in a car compartment, subject to some fluctuating pressure distribution along the open cavity of t…
Asynchronous parareal time discretization for partial differential equations
Frederic Magoules, Guillaume Gbikpi-Benissan
Asynchronous iterations are more and more investigated for both scaling and fault-resilience purpose on high performance computing platforms. While so far, they have been exclusive…
Interactive simulation for easy decision-making in fluid dynamics
Mengchen Wang, Nicolas Férey, Frédéric Magoulès +1
A conventional study of fluid simulation involves different stages including conception, simulation, visualization, and analysis tasks. It is, therefore, necessary to switch betwee…
Power Consumption Analysis of Parallel Algorithms on GPUs
Frédéric Magoulès, Abal-Kassim Cheik Ahamed, Alban Desmaison +4
Due to their highly parallel multi-cores architecture, GPUs are being increasingly used in a wide range of computationally intensive applications. Compared to CPUs, GPUs can achiev…
Parallel Sub-Structuring Methods for solving Sparse Linear Systems on a cluster of GPU
Abal-Kassim Cheik Ahamed, Frédéric Magoulès
The main objective of this work consists in analyzing sub-structuring method for the parallel solution of sparse linear systems with matrices arising from the discretization of par…
On the existence of optimal shapes in architecture
Michael Hinz, Frédéric Magoulès, Rozanova-Pierrat Anna +2
We consider shape optimization problems for elasticity systems in architecture. A typical question in this context is to identify a structure of maximal stability close to an initi…